180 miles
distance = rate x times; distance = 226 miles, time = 2 hours and 30 minutes = 2.5 hoursrate = distance/timerate = 226 mi/2.5 hrrate = 90.4 mi/hr
131.82 miles per hour.
805 miles divided by 7 hours is 115 miles per hour.
Dividing distance travelled in miles by time taken in hours gives 75 / 11/12 = 81.81 recurring (that is, 81.818181..) miles per hour.
Divide 496 by 8. That will give you the speed in miles per hour.
The velocity of the train can be calculated by dividing the distance traveled by the time taken. In this case, the train travels 100 miles north in 2 hours, so the velocity is 100 miles / 2 hours = 50 miles per hour. Therefore, the train's velocity is 50 miles per hour to the north.
1.4:1 in favor of the train.
distance = rate x times; distance = 226 miles, time = 2 hours and 30 minutes = 2.5 hoursrate = distance/timerate = 226 mi/2.5 hrrate = 90.4 mi/hr
speed = distance/time = 100mi/2h = 50mi/h
39 miles
131.82 miles per hour.
1600 / 80 = 20 hours by train 1600 / 200 = 8 hours by plane it will take 20 - 8 = 12 hours more by train
140 miles
Just multiply the 45 hours by the speed.
805 miles divided by 7 hours is 115 miles per hour.
Dividing distance travelled in miles by time taken in hours gives 75 / 11/12 = 81.81 recurring (that is, 81.818181..) miles per hour.
The velocity of the train can be calculated by dividing the distance traveled by the time taken. In this case, the train travels 140 kilometers west in 2 hours. Therefore, the velocity is 140 km / 2 hours = 70 km/h west.